FILE - In this March 3, 2011, file photo, New Acting Police Chief Joe Yahner, center, briefly talks about his background and years of service, as former Phoenix Police Chief Jack Harris, left, listens and Phoenix City Manager David Cavazos looks on during a news conference where reassignment of Harris and the promotion of Yahner are announced at City Hall. Authorities would not comment Thursday, Aug. 6, 2015, on whether a group of armed bounty hunters who mistakenly swarmed the Phoenix police chief’s home were the victims of a prank. (AP Photo/Ross D. Franklin, File)